The distinctive feature of chloroplasts is that they contain a green pigment called:
A. Gram stain.
B. chlorophyll.
C. hemoglobin.
D. chromatin.
E. keratin.
B
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Rectal swab is:
a. acceptable. b. not acceptable.
The fundamental unit of most covalent compounds is the ______
A) electron B) ion C) molecule D) atom
Write out the growth equation including the following factors: natality, mortality, immigration, and emigration
Provide a one-sentence explanation for the impact of each of these factors on the population growth rate. What will be an ideal response?
If the t-stat for the sample estimate of a coefficient, M1 calculated as the following, t = 
, where m1 is the estimated coefficient and Sm1 is the properly estimated standard error for the coefficient, comes out to be 2.7, what is the appropriate conclusion?
A. Reject the null hypothesis that the population coefficient M1 = 1 at a 99% confidence level. B. Reject the null hypothesis that the population coefficient M1 = 2 at a 99% confidence level. C. Fail to reject the null hypothesis that the population coefficient M1 = 1 at a 95% confidence level. D. None of these choices are correct.